Chair mechanism housing



FIG. 1 is a rear perspective view of a housing of a chair mechanism of the present invention;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front side elevation view thereof;

FIG. 5 is a rear side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a right side elevation view thereof similar to FIG. 2, but with some environment removed;

FIG. 8 is a left side elevation view thereof similar to FIG. 3, but with some environment removed;

FIG. 9 is a front side elevation view thereof similar to FIG. 4, but with some environment removed;

FIG. 10 is a rear side elevation view thereof similar to FIG. 5, but with some environment removed; and,

FIG. 11 is a top plan view thereof similar to FIG. 6, but with some environment removed.

A bottom plan view has been omitted as it does not form a portion of the claimed design.

The evenly spaced broken lines shown in the drawings are directed to environment, are for informational purposes only, and form no part of the claimed design.

The long and short broken lines are boundary lines which define the bounds of the claimed design. These boundaries do not exist in reality in the article embodying the design. It is understood that the claimed design extends to these boundaries but does not include the boundaries.

The surface shading lines on the claimed portion are provided only to indicate the character and/or any contour or curvature of the surfaces. They do not indicate color, texture, markings that actually exist thereon, indicia, graphic representations, surface treatment, or any other ornamentation applied to the article. 

The ornamental design for a chair mechanism housing, as shown and described. 